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[tor-bugs] #26269 [Core Tor/Tor]: new compiler warning src/or/router.c:2034:36: warning: potential null pointer dereference
#26269: new compiler warning src/or/router.c:2034:36: warning: potential null
pointer dereference
------------------------------+------------------------------
Reporter: toralf | Owner: (none)
Type: defect | Status: new
Priority: Medium | Milestone:
Component: Core Tor/Tor | Version: Tor: unspecified
Severity: Normal | Keywords:
Actual Points: | Parent ID:
Points: | Reviewer:
Sponsor: |
------------------------------+------------------------------
{{{
CC src/or/rephist.o
CC src/or/router.o
src/or/router.c: In function ‘router_my_exit_policy_is_reject_star’:
src/or/router.c:2034:36: warning: potential null pointer dereference
[-Wnull-dereference]
return router_get_my_routerinfo()->policy_is_reject_star;
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
src/or/router.c:2034:36: warning: potential null pointer dereference
[-Wnull-dereference]
src/or/router.c:2034:36: warning: potential null pointer dereference
[-Wnull-dereference]
src/or/router.c: In function ‘check_descriptor_bandwidth_changed’:
src/or/router.c:2636:36: warning: potential null pointer dereference
[-Wnull-dereference]
prev = router_get_my_routerinfo()->bandwidthcapacity;
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
src/or/router.c:2636:36: warning: potential null pointer dereference
[-Wnull-dereference]
src/or/router.c:2636:36: warning: potential null pointer dereference
[-Wnull-dereference]
src/or/router.c: In function ‘check_descriptor_ipaddress_changed’:
src/or/router.c:2696:8: warning: potential null pointer dereference
[-Wnull-dereference]
prev = router_get_my_routerinfo()->addr;
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/or/router.c:2696:8: warning: potential null pointer dereference
[-Wnull-dereference]
src/or/router.c:2696:8: warning: potential null pointer dereference
[-Wnull-dereference]
CC src/or/routerlist.o
CC src/or/dirauth/shared_random.o
}}}
and
{{{
CC src/test/src_test_test-test_dos.o
CC src/test/src_test_test-test_entrynodes.o
src/test/test_entrynodes.c: In function
‘test_entry_guard_update_from_consensus_repair’:
src/test/test_entrynodes.c:1254:26: warning: potential null pointer
dereference [-Wnull-dereference]
n->is_possible_guard = 0;
~~~~~~~~~~~~~~~~~~~~~^~~
src/test/test_entrynodes.c:1254:26: warning: potential null pointer
dereference [-Wnull-dereference]
src/test/test_entrynodes.c: In function
‘test_entry_guard_update_from_consensus_remove’:
src/test/test_entrynodes.c:1319:26: warning: potential null pointer
dereference [-Wnull-dereference]
n->is_possible_guard = 0;
~~~~~~~~~~~~~~~~~~~~~^~~
src/test/test_entrynodes.c:1319:26: warning: potential null pointer
dereference [-Wnull-dereference]
src/test/test_entrynodes.c:1328:26: warning: potential null pointer
dereference [-Wnull-dereference]
n->is_possible_guard = 0;
~~~~~~~~~~~~~~~~~~~~~^~~
src/test/test_entrynodes.c:1328:26: warning: potential null pointer
dereference [-Wnull-dereference]
src/test/test_entrynodes.c: In function
‘test_entry_guard_update_from_consensus_status’:
src/test/test_entrynodes.c:1153:26: warning: potential null pointer
dereference [-Wnull-dereference]
n->is_possible_guard = 0;
~~~~~~~~~~~~~~~~~~~~~^~~
src/test/test_entrynodes.c:1153:26: warning: potential null pointer
dereference [-Wnull-dereference]
src/test/test_entrynodes.c:1191:26: warning: potential null pointer
dereference [-Wnull-dereference]
n->is_possible_guard = 1;
~~~~~~~~~~~~~~~~~~~~~^~~
src/test/test_entrynodes.c:1191:26: warning: potential null pointer
dereference [-Wnull-dereference]
In file included from ./src/common/crypto.h:21:0,
from ./src/or/or.h:69,
from src/test/test_entrynodes.c:13:
src/test/test_entrynodes.c:85:13: warning: potential null pointer
dereference [-Wnull-dereference]
tor_free(n->md->onion_curve25519_pkey);
~^~~
./src/common/util.h:90:39: note: in definition of macro ‘tor_free’
typeof(&(p)) tor_free__tmpvar = &(p); \
^
./src/common/util.h:118:21: warning: potential null pointer dereference
[-Wnull-dereference]
#define raw_free free
^
./src/common/util.h:91:5: note: in expansion of macro ‘raw_free’
raw_free(*tor_free__tmpvar); \
^~~~~~~~
src/test/test_entrynodes.c:84:3: note: in expansion of macro ‘tor_free’
tor_free(n->rs);
^~~~~~~~
./src/common/util.h:118:21: warning: potential null pointer dereference
[-Wnull-dereference]
#define raw_free free
^
./src/common/util.h:91:5: note: in expansion of macro ‘raw_free’
raw_free(*tor_free__tmpvar); \
^~~~~~~~
src/test/test_entrynodes.c:87:3: note: in expansion of macro ‘tor_free’
tor_free(n->md);
^~~~~~~~
src/test/test_entrynodes.c:86:22: warning: potential null pointer
dereference [-Wnull-dereference]
short_policy_free(n->md->exit_policy);
~^~~
./src/common/util.h:129:45: note: in definition of macro ‘FREE_AND_NULL’
typename **tmp__free__ptr ## freefn = &(var); \
^~~
src/test/test_entrynodes.c:86:3: note: in expansion of macro
‘short_policy_free’
short_policy_free(n->md->exit_policy);
^~~~~~~~~~~~~~~~~
./src/common/util.h:92:22: warning: potential null pointer dereference
[-Wnull-dereference]
*tor_free__tmpvar=NULL; \
^
src/test/test_entrynodes.c:84:3: note: in expansion of macro ‘tor_free’
tor_free(n->rs);
^~~~~~~~
src/test/test_entrynodes.c:85:13: warning: potential null pointer
dereference [-Wnull-dereference]
tor_free(n->md->onion_curve25519_pkey);
~^~~
./src/common/util.h:90:39: note: in definition of macro ‘tor_free’
typeof(&(p)) tor_free__tmpvar = &(p); \
^
./src/common/util.h:118:21: warning: potential null pointer dereference
[-Wnull-dereference]
#define raw_free free
^
./src/common/util.h:91:5: note: in expansion of macro ‘raw_free’
raw_free(*tor_free__tmpvar); \
^~~~~~~~
src/test/test_entrynodes.c:84:3: note: in expansion of macro ‘tor_free’
tor_free(n->rs);
^~~~~~~~
./src/common/util.h:118:21: warning: potential null pointer dereference
[-Wnull-dereference]
#define raw_free free
^
./src/common/util.h:91:5: note: in expansion of macro ‘raw_free’
raw_free(*tor_free__tmpvar); \
^~~~~~~~
src/test/test_entrynodes.c:87:3: note: in expansion of macro ‘tor_free’
tor_free(n->md);
^~~~~~~~
src/test/test_entrynodes.c:86:22: warning: potential null pointer
dereference [-Wnull-dereference]
short_policy_free(n->md->exit_policy);
~^~~
./src/common/util.h:129:45: note: in definition of macro ‘FREE_AND_NULL’
typename **tmp__free__ptr ## freefn = &(var); \
^~~
src/test/test_entrynodes.c:86:3: note: in expansion of macro
‘short_policy_free’
short_policy_free(n->md->exit_policy);
^~~~~~~~~~~~~~~~~
./src/common/util.h:92:22: warning: potential null pointer dereference
[-Wnull-dereference]
*tor_free__tmpvar=NULL; \
^
src/test/test_entrynodes.c:84:3: note: in expansion of macro ‘tor_free’
tor_free(n->rs);
^~~~~~~~
CC src/test/src_test_test-test_extorport.o
CC src/test/src_test_test-test_hs_common.o
CC src/test/src_test_test-test_hs_cell.o
CC src/test/src_test_test-test_hs_service.o
}}}
at a stable Gentoo hardened Linux with app-forensics/afl 2.52b and gcc
(Gentoo Hardened 6.4.0-r1 p1.3) 6.4.0
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26269>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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